WPF Tools and Components for Designers and Developers! Curious? Keep watching the following blogs for more detail:
Nathan Dunlap - http://designerslove.net/
Robby Ingebretsen - http://notstatic.com/
Kurt Brockett - http://brockett.net/
Read the complete post at http://chad-brown-identitymine.blogspot.com/2007/04/wpf-controls-blendables.html